<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>


    <style>
        #div1{
            width: 100px;
            height: 100px;
            background-color: #B0B0B0;
        }
        #div22{
            width: 1000px;
            height: 1000px;
            background-color: #B0B0B0;
            background-image: url("img/img.jpg");
            background-repeat: no-repeat;
        }

        body{

            height: 3000px;
            background-image: url("https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=1502012820,1217573544&fm=27&gp=0.jpg");


        }


    </style>

    <link rel="stylesheet" href="css/123.css">

</head>
<body style="background-color: wheat">


<h2 style="background-color:green" align="center">This is a heading</h2>
<p style="background-color:green">This is a paragraph.</p>

<p style="color:red;font-family: 'Agency FB';font-size: 40px">Agency FB</p>

<p>WWF 的目标是 <q>构建人与自然和谐相处的世界.</q></p>

<img src="img/img.jpg" width="50" height="51">

<a href="demo_day1_w3c.html" target="_blank"><img src="img/eg_cute.gif"></a>

<div id="div1">aaa</div>
<div id="div22">aaa</div>
<div style="width: 100px;height: 100px;background-color: #F4A283">aaa</div>

</body>
</html>